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Splined bottom bracket for use with Shimano Octalink chain sets Sealed cartridge assembly - maintenance-free sealed cartridge keeps out dirt, mud and water Cartridge design allows easy installation without adjustment Aluminium adapter Average weight 262 grams
Splined bottom bracket for use with Shimano Octalink chain sets Sealed cartridge assembly - maintenance-free sealed cartridge keeps out dirt, mud and water Cartridge design allows easy installation without adjustment Aluminium adapter Average weight 262 grams